DE3585174D1 - METHOD FOR REGENERATING A DENITRATING CATALYST FOR CATALYTIC REDUCTION WITH AMMONIA. - Google Patents

METHOD FOR REGENERATING A DENITRATING CATALYST FOR CATALYTIC REDUCTION WITH AMMONIA.

Info

Publication number
DE3585174D1
DE3585174D1 DE8585730046T DE3585174T DE3585174D1 DE 3585174 D1 DE3585174 D1 DE 3585174D1 DE 8585730046 T DE8585730046 T DE 8585730046T DE 3585174 T DE3585174 T DE 3585174T DE 3585174 D1 DE3585174 D1 DE 3585174D1
Authority
DE
Germany
Prior art keywords
regenerating
ammonia
catalytic reduction
denitrating catalyst
denitrating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8585730046T
Other languages
German (de)
Inventor
Naruo C O Hiroshima T Yokoyama
Shigeaki C O Hiroshim Mitsuoka
Tsuneo C O Ryomei Giken Nagano
Kozo C O Hiroshima T I Iida
Yoshiaki C O Hiroshim Obayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP59066796A external-priority patent/JPS60212240A/en
Priority claimed from JP59066794A external-priority patent/JPS60212238A/en
Priority claimed from JP59066799A external-priority patent/JPS60212239A/en
Priority claimed from JP59066795A external-priority patent/JPS60212237A/en
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of DE3585174D1 publication Critical patent/DE3585174D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/515—Specific contaminant removal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE8585730046T 1984-04-05 1985-03-28 METHOD FOR REGENERATING A DENITRATING CATALYST FOR CATALYTIC REDUCTION WITH AMMONIA. Expired - Lifetime DE3585174D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP59066796A JPS60212240A (en) 1984-04-05 1984-04-05 Regeneration of denitration catalyst
JP59066794A JPS60212238A (en) 1984-04-05 1984-04-05 Regeneration of ammonia catalytic reducing and denitration catalyst
JP59066799A JPS60212239A (en) 1984-04-05 1984-04-05 Regeneration of denitration catalyst
JP59066795A JPS60212237A (en) 1984-04-05 1984-04-05 Regeneration of ammonia catalytic reducing and denitration catalyst

Publications (1)

Publication Number Publication Date
DE3585174D1 true DE3585174D1 (en) 1992-02-27

Family

ID=27464766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585730046T Expired - Lifetime DE3585174D1 (en) 1984-04-05 1985-03-28 METHOD FOR REGENERATING A DENITRATING CATALYST FOR CATALYTIC REDUCTION WITH AMMONIA.

Country Status (3)

Country Link
US (1) US4656147A (en)
EP (1) EP0159959B1 (en)
DE (1) DE3585174D1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63291628A (en) * 1987-05-22 1988-11-29 Babcock Hitachi Kk Method for removing nitrogen oxide
US4818353A (en) * 1987-07-07 1989-04-04 Langer Stanley H Method for modifying electrocatalyst material, electrochemical cells and electrodes containing this modified material, and synthesis methods utilizing the cells
US4793905A (en) * 1987-07-07 1988-12-27 Wisconsin Alumni Research Foundation Method for partially and selectively oxidizing alcohols to esters or carboxylic acids
DE3824464A1 (en) * 1988-07-19 1990-01-25 Basf Ag METHOD FOR REGENERATING CATALYSTS
DE4321555C1 (en) * 1993-06-29 1994-09-15 Bayer Ag Process for producing mixed-oxide powders for denitration catalysts
US5909654A (en) * 1995-03-17 1999-06-01 Hesboel; Rolf Method for the volume reduction and processing of nuclear waste
DE19617081C2 (en) * 1996-04-29 2003-02-06 Kerr Mcgee Pigments Gmbh & Co Process for the production of mixed oxide powders from deactivated DENOX catalysts
TW436332B (en) * 1996-08-19 2001-05-28 Siemens Ag Process and equipment for cleaning of contaminated object
US6395665B2 (en) * 1998-07-24 2002-05-28 Mitsubishi Heavy Industries, Ltd. Methods for the regeneration of a denitration catalyst
US7125531B1 (en) 1999-10-20 2006-10-24 Studsvik, Inc. Single stage denitration
US20030198584A1 (en) * 2002-04-19 2003-10-23 Mason Bradley J. Single stage denitration
US20060167331A1 (en) * 1999-10-20 2006-07-27 Mason J B Single stage denitration
US7011800B1 (en) 2000-10-19 2006-03-14 Studsvik, Inc. Single stage denitration
US7476194B2 (en) * 1999-10-20 2009-01-13 Studsvik, Inc. In-container mineralization
US7531152B2 (en) * 2000-10-19 2009-05-12 Studsvik, Inc. Mineralization of alkali metals, sulfur, and halogens
US6280694B1 (en) 1999-10-20 2001-08-28 Studsvik, Inc. Single stage denitration
JP4167039B2 (en) * 2002-04-10 2008-10-15 三菱重工業株式会社 Gas turbine single plant remodeling method, catalyst recycling method
DE102005000873A1 (en) * 2005-01-05 2006-07-13 Blohm, Maik Method and apparatus for purifying SCR catalysts to regain activity
EP2248587A1 (en) * 2005-12-16 2010-11-10 Evonik Energy Services GmbH Process for the treatment of catalyst for the purification of flue gas
DE102007020855A1 (en) 2007-05-02 2008-11-06 Evonik Energy Services Gmbh Process for purifying flue gases from incineration plants
EP2033702B1 (en) * 2007-09-04 2011-01-19 Evonik Energy Services GmbH Method for removing mercury from exhaust combustion gases
US7723251B2 (en) * 2008-03-11 2010-05-25 Evonik Energy Services Llc Method of regeneration of SCR catalyst
US7741239B2 (en) * 2008-03-11 2010-06-22 Evonik Energy Services Llc Methods of regeneration of SCR catalyst poisoned by phosphorous components in flue gas
US9061275B2 (en) * 2013-03-14 2015-06-23 Steag Energy Services Gmbh Methods of removing calcium material from a substrate or catalytic converter
US20160379727A1 (en) 2015-01-30 2016-12-29 Studsvik, Inc. Apparatus and methods for treatment of radioactive organic waste
CN113275020B (en) * 2020-02-19 2022-07-12 万华化学（宁波）有限公司 Regeneration method of catalyst for preparing chlorine by oxidizing hydrogen chloride
JP2022130991A (en) * 2021-02-26 2022-09-07 三菱重工業株式会社 Catalyst arrangement determination method of denitration apparatus and maintenance method of denitration apparatus as well as denitration apparatus, boiler, and power-generation plant

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107272A (en) * 1973-05-21 1978-08-15 Hitachi, Ltd. Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
JPS5332788B2 (en) * 1973-10-12 1978-09-09
JPS5227091A (en) * 1975-08-27 1977-03-01 Kobe Steel Ltd Reproduction process of catalyst for removing nitrogen oxides in waste gas
JPS58114732A (en) * 1981-12-28 1983-07-08 Osaka Gas Co Ltd Regenerating method of catalyst
JPS5910328A (en) * 1982-07-09 1984-01-19 Hiroo Tominaga Method for purifying waste gas using hydrogen sulfate

Also Published As

Publication number Publication date
EP0159959A3 (en) 1988-03-30
US4656147A (en) 1987-04-07
EP0159959B1 (en) 1992-01-15
EP0159959A2 (en) 1985-10-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee